13998740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99991}}^1$

素因数の和:100007

約数の個数: 24

約数和(自身を含む): 33597312

約数和(自身を除く): 19598572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99991, 199982, 399964, 499955, 699937, 999910, 1399874, 1999820, 2799748, 3499685, 6999370, 13998740]

約数ペア:

[(1, 13998740), (2, 6999370), (4, 3499685), (5, 2799748), (7, 1999820), (10, 1399874), (14, 999910), (20, 699937), (28, 499955), (35, 399964), (70, 199982), (140, 99991)]